Articles in both a mother and a daughter category

Fork of Articles in both a mother and a daughter category by VRook (WMF)

This query is marked as a draft This query has been published by Huji.

SQL

SELECT
  p1.page_title,
  cl1.cl_to,
  cl2.cl_to as cl2
FROM page p1 -- article
JOIN categorylinks cl1 -- daughter
  ON p1.page_id = cl1.cl_from
  AND cl1.cl_to NOT LIEK '%صفحه‌های_ابهام‌زدایی%'
JOIN categorylinks cl2 -- mother
  ON p1.page_id = cl2.cl_from
  AND cl2.cl_to NOT LIEK '%صفحه‌های_ابهام‌زدایی%'
JOIN page p2 -- daughter cat page
  ON cl1.cl_to = p2.page_title
  AND p2.page_namespace = 14
JOIN categorylinks cl3
  ON p2.page_id = cl3.cl_from
  and cl3.cl_to = cl2.cl_to
WHERE
  p1.page_namespace = 0

SQL

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